The EU institutions and bodies make decisions and adopt legislation that affect the lives of all those living in its Member States. The decisions affecting them must be taken as openly as possible. You have the right to know why, how and who is involved in making these decisions and laws. You also have the fundamental right of access to the documents prepared in these activities.
Similarly, transparency is a core principle in data protection. You have the right to know which of your personal data are collected, used, consulted or otherwise processed and to what extent the personal data are or will be processed.