to continue to be informed or know about someone or something

a computer program that records every keystroke made by a computer user, especially in order to gain fraudulent access to passwords and other confidential information

any attribute of a product that proves so useful as to become the main attraction of the product

knowledge of how to do something; faculty or skill for a particular activity, expertise

Key Performance Indicators refer to a set of quantifiable measurements used to gauge a company’s overall long-term performance.