I ran the snap list command on my Ubuntu system and got the following output:
snap list
Name Version Rev Tracking Publisher Notes
bare 1.0 5 latest/stable canonical✓ base
core18 20250123 2855 latest/stable canonical✓ base
core20 20250429 2582 latest/stable canonical✓ base
core22 20250408 1963 latest/stable canonical✓ base
core24 20250504 988 latest/stable canonical✓ base
firefox 138.0.4-1 6198 latest/stable/… mozilla✓ -
firmware-updater 0+git.22198be 167 latest/stable/… canonical✓ -
gnome-3-28-1804 3.28.0-19-g98f9e67.98f9e67 198 latest/stable canonical✓ -
gnome-42-2204 0+git.38ea591 202 latest/stable/… canonical✓ -
gtk-common-themes 0.1-81-g442e511 1535 latest/stable/… canonical✓ -
snap-store 0+git.1419621 1124 latest/stable/… canonical✓ -
snapd 2.68.4 24505 latest/stable canonical✓ snapd
snapd-desktop-integration 0.9 253 latest/stable/… canonical✓ -
i wanna know that core18, bare, firmware-updater and gnome and ... is normal and does not belong to a special app? or dependency of a app?