Question

what does interest mean here?
though im not usually a fan of modern art, piet mondrians geometric paintings have always captured my interest.
interest noun attention or concern
interest noun a charge for borrowing money

Explanation:

In the sentence "Though I'm not usually a fan of modern art, Piet Mondrian's geometric paintings have always captured my interest", the context is about art and personal engagement. The first meaning "attention or concern" fits as it relates to being drawn to the paintings. The second meaning "a charge for borrowing money" is related to finance and has no connection to the art - related context.

Answer:

interest noun attention or concern