action or business of promoting and selling products or services. To publicize products to get you to buy; advertise.

Happening or being in the present time. Movement of water in a river, or air in the sky.

activity or skill of writing. To invent or create a computer program. To create a song or piece of music.

outside. without it being case that. Not with; not having.

remain in same place.

referring to signals/information represented by discrete values of quantity.

relating to moral principles or branch of knowledge dealing with these.

arrogant or presumptuous. used for purpose of argument to indicate premise on which statement can be based. To act in a false manner to mislead others.

relating to tutor or tutor's tuition. period of tuition given by university or college tutor.

To regularly pay to receive a service.

flowing naturally or supplied to building through pipes and taps. action or movement of runner. To cause an animal to move in a certain direction.

manufactured article or substance. Items that can be bought.

Idea or memory. To have an idea about something without certainty.

for reason that.

action of helping or doing work for someone. Maintenance of machineries so it runs well, e.g. cars. To maintain a piece of machinery so it runs well.