Problem solving is
the process of finding solutions to problems. The term problem solving means slightly different things depending on the discipline:
psychology, cognitive sciences, computer science, engineering, military science.
A problem is a situation preventing something from being achieved.
Mind map based on Wikipedia: Problem Solving as of February 21, 2019.
Graph, as of February 21, 2019, showing how the words problem, military, computer, strategy, psychology, cognitive, engineering, geometry, an problem solving have occurred in a corpus of English books over the selected years (1800 - Dec 2008).
Google Books Ngram Viewer is an online search engine that displays a graph showing the frequencies of any set of comma-delimited search strings found in a corpus of books printed between 1800 and 2008.
Graphic organizers are visual representations of knowledge, concepts or ideas. A mind map is a hierarchical diagram used to visually organize information, concepts and ideas.