I Think the main ideas of Bhakti Rasamrita Sindu (without technicalities) are:
1) What is love?
2) How can you “practice” love?
3) How do you practice love?
4) What are the inspirations to practice love?
5) How is love experienced?
1) What is love?
Love is an expression of affection.
Affection is the desire to make someone happy and prosperous.
Pure love is when that expression has no ulterior motive and is given top priority.
Topmost pure love is when that pure love finds the topmost belove