As a Noun:
1. The way a person behaves and thinks that makes them unique or of a particular type. English = character, personality.
2. Things which are thought to be related to or inside the heart. English = emotion.
As a Verb or Adjective:
1. To be very much your own and related to your feelings and emotions. English = (be) personal.
2. To be related to one's heart, or real feelings and emotions; to be the essential or true character of something. English = at heart.
As Modifier:
1. Used at the beginning of a sign sentence to mean that the ideas you express in that sentence are very much your own and have a lot to do with your feelings and emotions. English = 'Personally'.