Used to make a guess or assumption about something based on how it looks, without being completely certain.
“The man in the blue jacket appears to be waiting for someone.”
“This appears to be a family enjoying a picnic in the park.”
This phrase is essential for Task 3 because you often can't be sure of every detail in the picture — using it shows the examiner you're speculating appropriately rather than stating unclear facts as certainties, which is a natural way to describe an image.
Synonyms: seems to be, looks like, appears as if