副词

1. 仅仅；完全
You use purely to emphasize that the thing you are mentioning is the most important feature or that it is the only thing which should be considered.

2. 纯粹地；不折不扣地
You use purely and simply to emphasize that the thing you are mentioning is the only thing involved.

1. restricted to something

e.g. we talked strictly business

Synonym: strictly