Celtic Knot = The Triquetra (or Celtic Knot) has a number of different meanings depending upon your path.  Many religions hold that the number 3 is of divine nature. 

Circle= Although the circle has been added to the Triquetra to represent Trinitarian belief (God is the Father, Son[Jesus], and the Holy Spirit-the same as I am a daughter, a soldier and a Jedi), here it represents the Circle of Life.

Aloe Vera= Healing and Earth

Fire= Fire has a great deal of symbolism throughout religion.  Mostly in ceremony.  It is also symbolic of destruction, change, rebirth and action.

Dolphin= Guardian/Protector and Water

Raven= Wisdom/Knowledge and Air