what difference between apt and apt-get commands of Linux

1. apt simply a package manager to merge multiple commands into one single command
2. apt commands that replace the older apt-get commands.
3. apt = advanced packaging tool

apt & apt-get  command with details

apt remove => apt-get remove => Removes a package

apt purge => apt-get purge => Removes package with configuration

apt update => apt-get update => Refreshes repository index

apt upgrade => apt-get upgrade => Upgrades all up-gradable packages

apt autoremove => apt-get autoremove => Removes unwanted packages

apt full-upgrade => apt-get dist-upgrade => Upgrades packages with auto handling of dependencies

apt search => apt-cache search => Searches for the program

apt show => apt-cache show => Shows package details