noun / verb
dot
DAHT/dɑːt/
A small round mark.
A small black dot marks the otherwise blank white sheet.

Etymology
Old English dott meant a speck or the head of a boil, but its connection to the modern word is uncertain. The later word may instead imitate the effect of a pen’s brief touch.
In context
you have to make a DOT on the wall at eye level on the white wall put the tape up there at your eye level so you're looking at that dot that Mark on the wall
More examples
- She dots the fabric with white paint.
- Remember to put a dot above each lowercase i.
- Tiny cottages dot the hillside.
Forms
dot · dots · dotted · dotting