In the typical 8 sensory offerings, from left to right, they are namely:
1) water - drinking water offered to the Buddha, represents Buddha's speech,
2) water - water offered to the Buddha to clean, represents Buddha's body,
3) flower - represents sight,
4) incense - represents smell,
5) candle - represents mind (represents also Buddha's mind),
6) perfume - represents touch,
7) food - represent taste,
music - represent hearing
By making the 8 sensory offerings, we are creating causes for us to be reborn in a favourable place where we will have all the resources we need to continue our Dharma practice. It also represents our wish to be free from the attachments created by our 5 senses.
I think in a way by offering the things that we like to Buddha, we are also trying to offer our attachment to these things to Buddha. When we are very attached to something, we are creating sufferings to ourselves because if we ever lose them, we will become very sad, then we suffer.