| AI Content Claim | A formal quality claim submitted within 90 days of an AI generation to request a refund of AI credits for corrupted, truncated, or defective generation output. |
| Blueprint | A reusable lesson structure scaffold without student-facing text or exercise prose. Applying a Blueprint replaces the lesson’s current structure and content. See Lesson Builder & Lesson Blocks. |
| Booking request | A student's request to schedule the first live session for a released class lesson that has no time yet. The fulfillment teacher approves and sets the final slot. Distinct from reschedule, which moves an already scheduled session. |
| Class | A named cohort of students learning together (formerly called Student Group). Classes can be taught live or asynchronously and can draw materials from multiple courses via a Class Program. |
| Class Chat | The persistent chat stream belonging to a class before, during, and after lessons, supporting @mentions, reactions, photos, and Everyone writes / Only staff writes modes. |
| Class Checklist | The operational list of curriculum items under a class’s Materials tab, tracking assigned, completed, and upcoming work across the class roster. |
| Class of One | An individual one-on-one student enrollment structured with the full architecture of a class, including class programs, schedule rhythms, and classroom tools. |
| Class Pass | A 30-day secure browser token issued upon successful PIN entry that allows guests and trial students to refresh the page or return to future meetings without re-typing the PIN. |
| Class PIN | A persistent 6-digit access code attached to a class's permanent live link, required for drop-in guests and unauthenticated visitors. |
| Class Program | A structured learning sequence assembled for a specific class cohort, featuring customizable automated release rules (e.g., homework opens after class, preparation opens 24 hours before class). |
| Class Setup by Four Answers | The unified four-question dialog (What the class learns, How students go through lessons, Meetings with the class, and How lessons open) used across the platform to set up a class and derive its plan. |
Classes Page (/platform/groups) | The dedicated top-level sidebar destination for creating cohorts, managing class programs, tracking attendance, and reviewing class rosters (replacing the former /platform/students?tab=groups sub-tab). |
Classes Tab (?tab=classes) | The tab on a course page listing all active and closed classes learning from that course. |
| Content Template | A course lesson that carries reusable lesson content for student copies. It is different from a structure-only Blueprint. |
| Course | A collection of lessons organized into units around a curriculum. Has a title, target language, CEFR or grade level, and visual artwork. |
| Course Following | When a class follows a course so newly added course lessons automatically append to the end of the class plan. |
| Course Lesson | A format-neutral curriculum material within a course or library. Delivery format (live class meeting, homework, or exercise) and duration are chosen when assigned or placed in a class plan. Edits are protected by a Working Copy. |
| Course Unit | A collapsible chapter section in a course or program with a title, description, and custom or AI-generated cover image. |
| Demo Lesson | A publicly accessible sample lesson viewable without logging in. Showcases the platform's editor and exercise features, including interactive speaking demos when the lesson contains them. Demo recordings are test attempts and do not affect real course progress. Available at /demo/lessons. |
| Eager Invitation Provisioning | The automated creation of a student account and class seat allocation immediately upon sending an invitation to a new email address, generating initial sign-in credentials (Login and temporary Password) without waiting for student acceptance. |
| Enrollment | A student's registration in a course. Links a student to a course and tracks their overall progress. |
| Fixed 88 px Labelled Staff Rail | The permanent 88 px navigation rail on the left of the staff workspace where every destination shows an icon stacked directly above its text label, eliminating hover-expand drawers and tightening vertically on shorter screens. |
| Google Calendar Sync | Two-way calendar synchronization that exports Locuto lessons to a teacher's personal Google Calendar and blocks availability in Locuto during Google busy times. |
| Group Individual Work | When homework or exercises are assigned to a class, each student receives their own separate lesson copy and live session. The calendar aggregates these into a single item showing all participants with per-student status tracking. Unlike group class sessions (where everyone shares one session), group homework and exercises are completed independently. |
| Guest Assignment | A shareable link (Assign to a guest by link) giving an external or trial learner 30 days of free access to a single lesson, homework, or exercise without prior enrollment. |
| Individual Work Block | A teacher-controlled container block (/individual-work) inside a lesson document that gives each student their own private copy of an exercise during live classes, homework, and self-study, with teacher Peek and Show to class controls. |
| Instant Lesson | A temporary lesson created on-the-fly during a live session. Instant lessons do not appear in the regular course lesson list and are tied to a specific session. |
| Invite Code | A code generated by teachers that students enter to join a course directly. |
| Join Request | A student's request to be taken on by a teacher, sent from the teacher's profile. Tracked as pending, accepted, rejected, or expired on the student's Teachers page. See Finding a Teacher. |
Journal (/platform/workspace) | The operational teaching workspace (formerly My workspace) featuring a live lesson strip, an actionable "To do" card (submissions waiting for check, unended lessons, reschedule requests, students missing homework, and assessment checks), a quiet "Sections with history" row with an assessment checks link, and three tabs: Past lessons, Upcoming lessons, and Homework (?tab=homework). |
| Late Presence Resolution | The administrative flow allowing teachers to resolve post-session late student arrivals without triggering automated financial debits or balance deductions. |
| Lesson Copy | An individual student's copy of a course lesson, tracking their personal progress. |
| Lesson Panel | The side-by-side panel on the class plan showing student attendance, homework status, and links to student work along a timeline. |
| Lesson Plan | The ordered structure of a lesson: a flat list of Steps with plan-level settings such as topic, level, and duration. |
| Lesson Tools Panel | The consolidated popup panel on the live classroom dock grouping drawing tools, editor controls, sound settings, and account AI balance. |
| Lesson Type / Delivery Format | The delivery mode applied when a course material is used—Class lesson (synchronous live session), Exercise (independent practice), or Homework (independent work submitted for review). Course lessons themselves are format-neutral unless flagged with Exam Mode (independent student work). |
| Library Guest Room | An independent live classroom created when sharing a library lesson via a guest link, separate from the teacher's Instant Lesson. |
| Light Register | The clean, white-ground workspace design for school staff, featuring a full-width top bar with the AI Credit balance pill and a fixed 88 px labelled left navigation rail. |
| Live Rail | The sticky left navigation and control dock in Structure mode, displaying duration budgeting, the Step Palette, and AI generation preflight cost estimates. |
| Live Session | A real-time interactive class conducted between a teacher and students with video, audio, and screen sharing. |
| Marketplace enrollment | A course enrollment created after a student purchases a Marketplace course listing. The student studies in the seller school without an invite code. |
| Math Crossword | A 5×5 interactive arithmetic grid with 6 intersecting equations, supporting number/operator tile dragging or on-screen keypad entry and graded on true mathematical equality. |
| Meeting PIN | A temporary 4-digit code generated for ad-hoc in-room drop-ins during an ongoing live session. Distinct from the persistent 6-digit Class PIN. |
| Observed Item | A lesson in an active class program that has been opened or started by at least one student, locking its core scheduling and opening rules against disruptive changes. |
| Opening Rule (Marketplace) | The rule chosen when selling a course (All lessons at once, One at a time, or Every few days) from which the platform builds the buyer's program. |
| PDF Block | A PDF placed inside a lesson, showing only the pages the teacher selected. Supports shared PDF notes and follows the teacher during presentation. See PDF Documents. |
| PDF Page Recognition | On-demand AI recognition of selected PDF pages in Ask AI (5 school credits per newly recognized page; saved pages are free to reuse across the school). |
| Pending Billing (Held Seat) | A safe holding status for student invitations when an organization has reached its seat limit or requires payment confirmation. The account is created and the seat is held; credentials are automatically sent once payment is activated. Revoking before sign-in cleanly deletes the unused account. |
| Permanent Class Link | A single immutable URL owned by a class that remains identical across all weekly meetings throughout the semester, automatically routing students to their scheduled or active live session. |
| Praise Stickers (Free & Premium) | The 12 teacher praise stickers (8 free + 4 premium on paid school plans Solo 30 and School) awarded to students during or at the end of a lesson to recognize effort, stored in the student's Sticker Album. |
| Presentation Deck | A slide-by-slide lesson presentation view created from level-1 headings (# ) and step boundaries, featuring ToC slide rail controls, docked pagers, and active-slide Ask AI insertion. |
| Program Template | A reusable, school-wide curriculum blueprint that can be instantiated into multiple class intakes without copying past student records or attendance. |
| Program Unit | A visual chapter heading in a Class Program that groups contiguous lessons with a title, description, and custom cover image. |
| Provisional Guest Account | A temporary student profile created instantly by typing a name, granting immediate access to an instant lesson without upfront registration. |
| Public Course | A course marked as public by an administrator. Visible to teachers from other schools in read-only mode and available for copying into their own school. |
| Satellite Homework | Homework or preparation material attached directly to a live class lesson on the student learning trail. |
| Self-study | Personal material a student buys from Marketplace or creates in My Library. |
| Send Finished Class Home | A teacher action upon concluding a live session that packages the completed lesson materials directly as student homework. |
| Send Picked Blocks Home | Selecting specific blocks in a live lesson room and sending them to the class as a clean homework or exercise assignment. |
| Stage | A label and derived run grouping related Steps. A Stage is not a nested lesson container. |
| Starter | A complete, fully populated multi-lesson course template in the course library ready to be copied or used as a foundation. Distinct from a structure-only Blueprint. |
| Step | The atomic unit of lesson structure (<section>). A teacher can configure, generate, reorder, or replace each Step independently using the Step Palette (+ button between steps or step header kind chip). |
| Structure mode | The editor view that shows the plan panel, Step cards, and plan settings. Labeled Canvas in the floating bottom dock switcher (paired with Lesson for content editing view). |
Student Card (/platform/students/[id]) | The dedicated student dossier page featuring standing badges, birthday notices, action buttons (Message, Add to class, End learning), and three tabs: Overview (next lesson, review items, comments, grouped classes, observations, and sidebar details), Classes (?section=classes), and Accounting (?section=finance). |
Students Page (/platform/students) | The central learner directory organizing students into four status sections: Studying (active in a class), Invited (pending invitations), Without a class (in the school but not in any cohort), and Finished learning (collapsible section for former students). |
| Studies Hub | The unified student learning center (/platform/studies), containing a prioritized To Do queue, Done (Handed-in) archive, and active Courses view. |
| Teaching Observations | Confidential, staff-only notes written by teachers during live lessons (via the Notes pill on the live dock) or in the student dossier to record learning progress, challenge areas, and personal context. |
| Teaching Subject | The academic discipline of a course or class (Language Learning or Mathematics), separate from the target language and instruction language. |
| The Lesson Board | The full-screen collaborative classroom board opened from the Lagoon Board pill in the editor's live tools strip, featuring the Lead the class capsule, student sticker/drawing strip, cover cards, check marks, and interactive widget cards. |
| Time pass | A Marketplace billing mode for course listings: the student buys timed access to the full course (including live class lessons) for a set validity period. |
| Booking Hours Paint Grid | The interactive 7-day calendar surface on /platform/schedule (opened via Booking hours on the schedule toolbar) where teachers drag across 30-minute cells to mark their weekly teaching hours. |
| Working Copy | A private drafting space automatically opened on any edit to an active course lesson. The lesson keeps serving its last published version until changes are published, which then automatically updates unstarted class sessions and unopened tasks. Marked by an amber asterisk on course outlines. See Working Copies. |