Internships

Internships are short-term work placements (often between 4-10 weeks during the summer) which tend to centre on a student's academic background. This experience can be both full / part time.

Allows you to determine if an industry / profession is your preferred career option.
Experience gained from internships can provide a much-needed "foot-in-the-door".
Gain experience of different working cultures.
Acquire useful networking contacts.
Expand / develop your transferable skills (such as communication skills).
Increase your confidence and discover your strengths / weaknesses.
Increase your chances of employment following graduation due to your experience.

Internships often have a lot of competition for places and require you to make applications months before - good planning is essential.