A piece of software that you can download to a device such as a smartphone or tablet, for example to look up information or to play a game.

A piece of work involving careful study of a subject over a period of time, done by school or college students.

In or to a foreign country.

The form of a language that is spoken in one area with grammar, words and pronunciation that may be different from other forms of the same language.

A group of words that have a particular meaning when used together.

A combination of words in a language that being used very often by native speakers.

A type of large thin book with a paper cover that you can buy every week or month, containing articles, photographs, etc., often on a particular topic; a similar collection of articles, etc. that appears regularly online.

The activities that are done in order to plan, organize and run a business, school or other institution.

A person that you make friends with by writing letters or emails, often somebody you have never met.

To express what somebody has said or written using different words, especially in order to make it easier to understand.

A book or electronic resource that gives a list of the words of a language in alphabetical order and explains what they mean, or gives a word for them in a foreign language.

Able to speak two languages equally well.

The ability to do something well because of training and practice.