1. abstract
2. conceptual, ideal, conceptional, ideational, notional, intangible, impalpable, nonrepresentational, abstractionist
3. nonfigurative, nonobjective, nonrepresentational, theoretical
4. technical, theoretical

1. abstraction
2. concept, conception, construct, outline

1. synopsis, precis, summary, see
2. consider, reckon, view, regard, pilfer
3. cabbage, purloin, pinch, snarf, swipe, hook, sneak, filch, nobble, lift, steal, consider
4. take, deal, look at, sum up
4. summarize, summarise, resume