(heading, physical) To do with shape.

(social) To do with structure or procedure.

A blank document or template to be filled in by the user.

“To apply for the position, complete the application form.”

To assume (a certain shape or visible structure).

“When you kids form a straight line I'll hand out the lollies.”

To give (a shape or visible structure) to a thing or person.

“Roll out the dough to form a thin sheet.”

To take shape.

“When icicles start to form on the eaves you know the roads will be icy.”