If they appear at the bottom of the page(s) of the document it could indicate the signature line.
a heading
a heading
a heading
Generically this is called a "header".
At the top and bottom of each page.
PowerPoint stacks these objec on top of each other in the other in which they inserted or drawn
Well they are always on top each other because they think that they will protect each other.
Security classifications on any US Military document are located in both the top and bottom margins of each page. Each map sheet would show the classification marking at top and bottom of the map.
Yes the letters are on top of each other.
Each loaded in document is in a different tab across the top of the work area
Dragonflies go on top of each other and fly because sometimes they are husband and wife staying together.
A billion pennies stacked on top of each other would be 963.13 miles high