variable - changeable, non-uniform⏎
tangible - touchable, existing, clearly seen⏎
theory - idea, opinion, supposition⏎
retrieve - find, recoup, get something back⏎
stable - steady, unchanging, firmly fixed⏎
segment - division, divide, part of something⏎
strapline - slogan⏎
shortfall - shortage, less (than is needed)⏎
scrutinise - scan, look at or examine closely, scrutinize⏎