Use of machines to do tasks once done by people.

arrangement of parts or elements.

Having or involving more than one of something. Number produced by multiplying a smaller number.

arrange or put together in particular form or configuration.

thing chosen. Rights to buy or sell at a certain price and time. buy or sell option on.

gladly received. used to greet someone in polite or friendly way. instance or manner of greeting someone. greet someone arriving in polite or friendly way.

planned enterprise. To show something on a screen using light.

place or type of surroundings where something is positioned or where event takes place. Places where some things happen or is located.

robot with human appearance.

Used to add new (often different) information.

thing that bears weight of something or keeps it upright. Things to hold up or prevent from falling down. To hold up or prevent from falling down.

Widespread, normal or usual. commander of army.

To make, change according to the user's needs.

sympathetically aware of other people's feelings. Knowledge about something or someone. To know the meaning of language, what someone says.

set of railway vehicles forming train. To have as an essential, necessary or main part.