a constraint

A constraint is a limitation – especially when you don’t have enough space, time or money to do what you want. So, it’s common to talk about ‘budgetary constraints’ or ‘time constraints’ in business, because people often don’t have as much time or money as they would like.

The department worked under a number of constraints which prevented them from achieving their potential.

more example sentences        questions for personal practice        unit 9

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a parameter

A parameter is a limit or a feature of a system that controls others and can be adjusted. Like ‘paradigm’, this is one of the hardest words in this list. Most ordinary people wouldn’t understand the word. You’ll come across it mostly when you read about research or theories. Normally, before starting on a research project, you have to set parameters. In other words, you need to limit the area of your research, so that you can concentrate on getting good results.

The central government established the parameters within which local governments can work.

more example sentences        questions for personal practice       unit 1    unit 2

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