Main; important. Distinctive or important point of something. To highlight or give special importance to.

Extra; in addition. at, to, or by greater distance. (Used to introduce an additional point); also. To help to happen or develop; promote.

Process of developing over time.

Done or considered as the final and most important.

Right or suitable for some situation or purpose. take something for one's own use.

person who is very knowledgeable about or skilful in particular area. Skillful people with special knowledge.

To use your ears to hear and understand things.

of or on inside. inner parts.

To put a rocket into the air.

person who teaches. People who teaches others, especially in a school.

information about reactions to product, person's performance, etc..

Difference between things different and distinct.

quality or accomplishment that makes someone suitable for particular job or activity. Additions of conditions to limit what you said.

Having achieved wealth, respect, or social status.

likely or prone to be affected by. conditionally upon. person or thing that is being discussed, described, or dealt with. To cause to suffer or experience something.