Big Picture behind problem & solution validation (why? how? what about impact?) 
Assessing and validating customer problems (problem assumptions, problem intervies)  
Generating informed solutions (ideation + prioritizing value propositions) 
Testing and validating the solutions your created 
Making decisions 

This fits well with: 
- Course 1: Impact Startup Method (Coming Soon!)
(This is Course 2:  Problem Solution Validation) 
- Course 3: Business Model Validation