Bulgarian-English translations for понятие

• concept
  It was certainly an overrated concept. Несъмнено това беше едно надценено понятие.
  The key concept is the concept of trust. Ключовото понятие тук е доверието.
• conception
• idea
  The mere idea of you is enough to excite me
  I have an idea of how we might escape
  Yeah, thats the idea