The word "period" can refer to different things, but in general, it means a specific amount of time or a punctuation mark used at the end of a sentence. Full definition
Studies of periods of tight labour markets like the late 1990s and 1960s make it clear that the best social programme for disadvantaged workers is an economy where employers are struggling to fill vacancies. (larrysummers.com)
There are great health benefits to fasting for periods of time (skipping meals), if done in an informed way. (wellnessmama.com)
To qualify, you must have at least one loan in that is in the grace period of in repayment. (thecollegeinvestor.com)