flowing naturally or supplied to building through pipes and taps. action or movement of runner. To start or use a computer program.

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

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.

process of changing something's colour. To add color to a drawing using colored pencils.

Small animal with small tail, and large cheeks.

mechanical apparatus. Powerful groups who control and organize things. To shape, work on something, using a device.

Producing feelings of enjoyment or delight.

recognize worth of.

artificial underground passage. Passages under the ground often for cars or trains. dig or force passage underground or through something.

For a reason.

portion of food served to one person at one time. To act to enable a person to do something; assist.

Whether it is raining, sunny, cold etc. outside. wear away something by exposure to atmosphere.

In mathematics, being less than zero. no. The opposite to a positive electrical charge. refuse to accept.

Period of very cold weather under zero degrees. freezing point of water. To harden to a solid below zero degrees.

amount, level, or extent. Units for measuring temperature or angles.