Spreadsheet cell comments

Pending edit review rows showing the struck original beside the proposed replacement with author attribution and accept and reject actions per suggestion.

Video review timeline with avatar markers at comment timestamps and a list of time anchored notes with reply and mark done controls.

Responsive shared canvas with participant cursors, draggable notes, drawing tools, presence callbacks, zoom, undo and export.

A document page mockup where marks from each reviewer form a colored layer, beside a rail of reviewers with color keys, counts, and visibility toggles.

Static open-state blueprint of a text-selection toolbar with comment, highlight, suggest-edit, and link affordances plus a five-color swatch row.

Design canvas mockup with four numbered comment pins and a side rail listing each pin thread with author, note, and resolve actions.

Code diff panel with line numbers, added and removed rows, and a line anchored review thread with replies, composer, and resolve action.

Review feedback promoted into action items, with filter chips above rows pairing each source quote with an assignee, due date, and status badge.

Standalone comment composer with a formatting toolbar, file attach, at mention hint, and a Cmd Enter keyboard shortcut hint.

Cross document notification feed with mention, reply, and resolve items, unread dots, type filter chips, and a mark all read action.

Document comment sidebar with four threads anchored to quoted text, reply counts, resolve affordances, and one collapsed resolved thread.

Highlighted text excerpt with an attached margin thread showing two comments, a reply composer, emoji reactions, and resolve and delete controls.