General Meaning (not concrete):
* The professor's lecture was too abstract for me to follow. I need more concrete examples.
* She prefers abstract art to representational art.
* The concept of infinity is very abstract, difficult to grasp fully.
* The movie's plot was abstract and left me with more questions than answers.
Meaning of "Summary" or "Summary of a Document":
* I read the abstract of the research paper before deciding to read the entire article.
* The article's abstract provided a concise overview of the key findings.
* I need to write an abstract for my thesis before submitting it.
Meaning of "To Extract or Remove":
* We need to abstract the key information from this report.
* The artist abstracted the image to create a more symbolic representation.
Figurative Language:
* His thoughts were so abstract that he seemed lost in another world.
* She danced with such abstraction that it seemed she was moving to music only she could hear.
Remember, the meaning of "abstract" can shift depending on the context. Pay attention to the surrounding words and phrases to understand how it's being used.