Psychological Definitions

Pleasure:  Something you enjoy like chocolate, a movie, a glass of wine. Short term. The research findings show the pleasant life has no correlation with overall life satisfaction. The pleasant life tends to be short-lived and insatiable. 

Engagement: A challenge, something that demands something from you something with lasting impact involving exertion. Hiking, wind surfing, climbing, needlepoint, photography, painting. Have you ever been so engaged in a specific task or activity, that by the time you looked up hours have passed?

Meaning: Using your gifts passions and values for something greater than yourself. Service, the desire to serve something bigger than us. Meaningful activities include volunteering, political office, and all sorts of business pursuits related to serving the greater good. Maybe your sense of meaning comes from being the best version of you that you can be or raising a family. It is YOUR sense of meaning that counts.

On the other hand, it is important to know how to experience pleasure but also to give it, and to accept it. The giving and receiving of little pleasures give them meaning and creates a sense of engagement.