Four "Fu" Characters In Chinese Language

1. 畐: a vase with some content. Means "to be full". 
2. 富: a full vase under the roof (inside the building) = "richness" 
3. 福: a full vase in the altar = "happiness" 
4. 副: something valuable (畐) is separated with a knife 刂 (刀). Means "secondary", "auxiliary", "subsidiary", "deputy".