Simple definition of UX/UI designer levels for my information

I thought the designer level could be divided into three groups as below.
And I have been following this for Design HR so far. Additionally, I judged myself on it whether I did well as a senior designer.

Junior UX/UI Designer

• Skills
  • Learning the core practice of UX design: wireframes, prototypes, research, documentation
  • Knows the basic workflow and assists with design operations of the team
• Ownership
  • Able to get direction from senior designers or product managers
  • Owns designs for clearly designed, lower complexity projects
• Collaboration
  • Requires more onboarding and clear direction
  • Gets and utilizes design feedback
  • The limited scope of stakeholders to handle

Mid-level UX/UI Designer

• Skills
  • Fluent in the UX process
  • Makes designs defensible with user research and other tools
  • Do documentation from the designs
• Ownership
  • Own design for several features and mid-sized projects
  • Influences some product metrics (KPIs)
• Collaboration
  • Knows when to involve stakeholders
  • Articulates design decisions
  • Anticipates feedback

Senior UX/UI Designer

• Skills
  • Mastery of UX process and toolkit (prefer Figma with hand-sketch)
  • Design holistic experiences with a strategy
  • Uses frameworks and hypothesis-based approach
  • Do documentation from the designs
• Ownership
  • Tackles undefined, complex projects
  • Leads project from beginning to end
  • Own and influence key metrics
  • Build design team with HR team supporting
• Ownership
  • Drives alignment via design facilitation and presentation skills
  • Synthesizes multiple inputs and feedback from stakeholders into a cohesive approach
  • Mentor junior designers and onboards others onto projects