How Did Clannad Get to Its Anime Ending?

The ending of Clannad was memorable but somewhat confusing. Here

Clannad ~After Story~ OP/ED Single – Toki wo Kizamu Uta – Review – Second Opinion – Anime Instrumentality Blog

A Simple Explanation Of Clannad's Ending — The Boba Culture

Not Mad, Just Disappointed: What Could The Anime Clannad/Clannad After Story Have Done Differently? – OTAQUEST

Anime Theory: Clannad's Ending Was A LIE! (Clannad Theory)

Akio Furukawa Ending (After Story Route Part 105) - Clannad (PC)

Clannad: After Story The View from the Junkyard

List of Clannad characters - Wikipedia

Clannad ~After Story~ Episode 16 – Examining the Musical Component – Anime Instrumentality Blog

Kyou Fujibayashi Ending (Kyou Route Part 65) - Clannad (PC)