What is LibreOffice as Flatpak and Snap

Im very new here…can someone please tell me what LibreOffice Flatpak and Snap.

Thank you

They are package formats useful for Linux users. See Flatpak on wikipedia and Snappy on wikipedia.

Thank you for a prompt answer…I can barely make it wth Win 10…so Im glad to know I won’t need to Snap at the Flatpak