Confusion around UX methodology

There are number of processes used actively in UX. Terminology is overlapping and confusing. See examples below. UX sprint phases Design thinking phases (above) Product development lifecycle suggested for UX

UX Glossary

F Framework UX frameworksuser-centered design process (UCD)T he five elements Design thinking Lean UX Double Diamond I Ideation https://corporatefinanceinstitute.com/resources/management/ideation/ U User research focuses on understanding user behaviors, needs, and...