spotting

The action of seeing, detecting, or identifying something or someone.

"He was spotting errors in the code."

The appearance of small marks, stains, or discoloured patches on a surface.

"There was some spotting on the fabric."

Light vaginal bleeding, often between periods or during early pregnancy.

"She reported some light spotting."

The activity of looking for and identifying specific things or people.

"Bird spotting is a popular hobby."