A formal speech to a group of people. To refer to someone or something formally.

global computer network providing information and communication facilities.

Electronic order to a computer to do something. To give an order; have control over others.

wall or partition designed to inhibit or prevent spread of fire.

To direct (car, plane etc.) in the right direction.

Effort made to try to do or accomplish something. To try to do something challenging or difficult.

Doing your job. action of doing work. To bring into a specific state of success.

Existing only on the internet or on a computer.

limited in extent, number or action. To prevent a person from doing something.

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.

cause, explanation, or justification for action or event. Explanations for why some things occurred or was done. To think and make conclusions in a logical manner.

(Of room or table) booked for a certain time. Uncertain or unsure. To arrange for a room or table be kept for you.

arrange or put together in particular form or configuration.

identify clearly.

(Of an illness, etc.) likely to lead to death. end of railway or other transport route. End part of some structure or concept.