: Usually provided in 1080p (Full HD) or 4K, often in a 9:16 aspect ratio to fit smartphone screens.
: Serving as "aesthetic" b-roll for TikTok, Reels, or YouTube Shorts. Sexy Girl (2434) mp4
: .mp4 (MPEG-4 Part 14), the most widely supported container for video. : Usually provided in 1080p (Full HD) or