An upward arrow with a bar above it, marking movement by a whole screen.
Also known as: PgUp
An upward arrow topped by a short bar marks the page up key, which scrolls by a full screen rather than by a line. The bar distinguishes it from a plain cursor arrow.
Marks the key that moves the view up by approximately one screenful, as distinct from the cursor keys which move by a single line.
Contexts: Software
The bar above the arrow reads as the edge of the page being moved toward, which is why the page down mark carries its bar below.
Contexts: Software
An upward-pointing arrow with a triangular head, a short horizontal line drawn across above its tip.
Both are built from arrows, and both are used in software contexts.