A padlock beside a scrolling arrow, marking a rarely used latch.
A padlock drawn with a vertical arrow marks the scroll lock key. Almost nothing responds to it now; the clearest surviving use is in spreadsheets, where it makes the arrow keys move the view rather than the selection.
Marks a latching key that once stopped the display scrolling as new text arrived; most modern software ignores it entirely.
Contexts: Software
Survives in spreadsheet software, where engaging it makes the cursor keys scroll the visible grid instead of moving the selected cell.
Contexts: Software
A padlock shape — a rounded shackle over a squared body — set beside a short vertical double-headed arrow.
A fuller structured visual breakdown is not yet documented for this symbol.
Both are built from objects, and both are used in software contexts.