“Checkbox / radio / switch,” for example, remains one authoritative checklist row while Building Blocks exposes three reusable component pages. The split is a documentation/implementation decision, not a source-contract rename.
Actions
6 pagesButton
Commit an action
Source rowIcon button
Compact action
Source rowButton group
Pick one of few
Source row · Button group / segmentedSegmented control
Pick one of few
Source row · Button group / segmentedOverflow menu
Extra actions
Source row · Overflow / splitSplit button
Extra actions
Source row · Overflow / splitInput & selection
11 pagesSearch
Find
Source rowCheckbox
Choose
Source row · Checkbox / radio / switchRadio
Choose
Source row · Checkbox / radio / switchSwitch
Choose
Source row · Checkbox / radio / switchChips
Filter tokens
Source rowSlider
Range
Source rowText field
Enter text
Source rowTextarea
Longer text
Source rowSelect
Pick from list
Source rowDate picker
Schedule
Source row · Date / timeTime input
Schedule
Source row · Date / timeSurfaces & overlays
7 pagesCard
Contain a record
Source row · Card / surfaceSurface
Contain a record
Source row · Card / surfaceDialog
Modal task
Source rowMenu
Local choices
Source rowTooltip
Extra, not required
Source rowDivider
Separate
Source rowSheet
Mobile overlay
Source rowFeedback & status
6 pagesToast
Transient outcome
Source rowBanner
Persistent notice
Source rowProgress bar
Wait
Source row · ProgressProgress indicator
Wait
Source row · ProgressBadge
Count / tag
Source rowStatus pill
Record state
Source rowData & recovery
8 pagesList row
Scan records
Source rowEmpty state
Recovery
Source row · Empty / error / loadingError state
Recovery
Source row · Empty / error / loadingLoading state
Recovery
Source row · Empty / error / loadingTable
Scan
Source row · Table or dense listDense list
Scan
Source row · Table or dense listPagination
More
Source row · Pagination / infiniteInfinite / load more
More
Source row · Pagination / infiniteProposed baseline candidates
Not source-approvedThese recur across Skeleton, Radix, Carbon, Spectrum, Primer, Fluent, and/or Material UI. They are visible here as research proposals only.