Crimping and soldering are two different ways of creating a cable connection. Soldering creates a connection by using a heated metal to connect two wires. Crimping creates a connection by using a special tool, known as a crimping tool. Typically the easier and more efficent way of creating a cable connection is crimping.
Press Fitting vs. Solder - The Home Depot
Connecting Very Small Wires on Boats - Practical Sailor
Wire Harness Assembly Services
Working with Wire - SparkFun Learn
Guide to Crimp Quality in Wire Harnesses and Cable Assemblies
Soldering vs Crimping vs Connectors for DIY ebikes
Better Crimp Connections? : r/projectcar
What is a Crimping Tool and How Are They Used? - Maun Industries
To Solder or Not Nuts & Volts Magazine