abstract - a summary of a research paper put at the beginning

abstract (noun) - a short piece of writing containing the main ideas in a document - ข้อสรุป, ประเด็นสำคัญ, บทคัดย่อ

abstract - existing in thought or as an idea but not having a physical or concrete existence - ที่เป็นนามธรรม,

abstract (adj) - not representing people of things in a realistic way, but expressing the artist's ideas about them