salient
adjective
the salient points stuck out clearly in her mind:
important, main, principal, major, chief, primary, notable, noteworthy, outstanding, arresting, conspicuous, striking, noticeable, obvious, remarkable, signal, prominent, pronounced, predominant, dominant, key, crucial, vital, essential, basic, staple, critical, pivotal, prime, central, focal, paramount.
▷antonyms unimportant, inconspicuous.
salient Oxford Dictionary of English