action or activity of buying and selling goods and services. To buy, sell and exchange goods in business.

To act in a certain way toward someone.

in space separating things. In the space that separates two objects.

For a reason.

Normal; usual; expected.

(Of an increase) at a faster and faster rate.

Referring to any particular kind, type, quantity. at all. Anything or everything needed; no matter what. said as response indicating reluctance to discuss something, often implying indifference. used to emphasize lack of restriction.

A thing or issue that people do not agree about. alter coat of arms.

constituting result found by dividing total amount. number expressing the central or typical value in a set of data. To add numbers then divide by the number of items.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. greet someone arriving in polite or friendly way.

mathematical determination. Process or result of using mathematics.

Doing things that help someone.

Used to add new (often different) information.

individual fact or item. Small parts of some things; tiny facts. null.

In a precise or mathematical way.