The European Bank for Reconstruction and Development (EBRD) published a video explaining what smart contracts are and how they can increase transparency in business.
The video is available in English here: https://www.ebrd.com/news/video/smart-contracts.html
Also, the EBRD published a video on the enforceability of smart contracts (in English): https://www.ebrd.com/news/video/enforceable.html
Image: EBRD