Εννοια

1. observation (careful or controlled attention or consideration)
2. observation (the result of such attention or consideration)
3. observation (process of detached, objective examination)
4. observation (the result of one of the above-described actions expressed in or rendered into words for the purpose of dissemination)
5. observance of (adherence or conformity to) rules, conventions, laws, etc.
6. observance (performance) of religious rituals, customs, traditions, etc.