These are the 5 steps of Design Thinking, as defined by the Design School of Stanford University.

I organized some of the tools and methods in each different step of the process.

01 — EMPATHIZE
Research
Understand / Interpret / (Communication) / Hear / Observation
Methods:
      • Heuristic Review
      • Card Sorting
      • Interviewing
      • Personas
      • Ethnography
      • Analytics
      • Usability
      • Qualitative & Quantitative Surveys
      • Mapping
02 —DEFINE
Users
Target / Persona (Who)
User Need (What) | User Needs Statements
Context
Insight (Why) ⟵ [Why do they value what we found they value]
More methods / Tools
Tasks / Goals
03 —IDEATE
Artifacts
Brainstorm
Sketch
Mock
Flows
Wireframes
04 —PROTOTYPE
Information Architecture (IA)
Structure
Storyboard
Role Play
Details
Affordances
05 —TEST
Feedback
Iterate
Deliver
Launch
Reference: Hasso Plattner Institute of Design | Standford University d.school | YT video