The depends option shows a listing of each dependency a package has and all the possible other packages that can fulfill that dependency.

apt depends [package name]

apt depends sudo

returns:

sudo
  Depends: libaudit1 (>= 1:2.2.1)
  Depends: libc6 (>= 2.34)
  Depends: libpam0g (>= 0.99.7.1)
  Depends: libselinux1 (>= 3.1~)
  Depends: zlib1g (>= 1:1.2.0.2)
  Depends: libpam-modules
  Depends: lsb-base
  Conflicts: sudo-ldap
  Replaces: sudo-ldap

This is similar to apt-cache.

apt rdepends [package name]

apt rdepends sudo

returns:

sudo
Reverse Depends:
  Recommends: hobbit-plugins (>= 1.7.2p1-1)
  Suggests: rocm-smi-lib5.4.6
    sudo-ldap
  Suggests: rocm-smi-lib
    sudo-ldap
  Suggests: qemu-user-static
    sudo-ldap
 |Recommends: cockpit-system
    sudo-ldap
 |Recommends: cockpit-system
    sudo-ldap
  Depends: zfs-test
    sudo-ldap
  Depends: v4l2loopback-utils
    sudo-ldap
  Depends: ubuntu-dev-tools
    sudo-ldap
  Replaces: sudo-ldap
    sudo-ldap
  Conflicts: sudo-ldap
  Suggests: qemu-user-static
    sudo-ldap
  Depends: libkf5su5
    sudo-ldap
  Depends: ctdb
    sudo-ldap
 |Recommends: cockpit-system
    sudo-ldap
  Depends: ubiquity-casper
    sudo-ldap
  Depends: livecd-rootfs
    sudo-ldap
  Recommends: dkms
    sudo-ldap
  Depends: ceph-osd
    sudo-ldap
  Depends: casper
    sudo-ldap
  Depends: publicfile-installer
    sudo-ldap
  Depends: matlab-support
    sudo-ldap
  Depends: zfs-test
    sudo-ldap
  Suggests: zabbix-server-pgsql
    sudo-ldap
  Suggests: zabbix-server-mysql
    sudo-ldap
  Suggests: xfce4-session
    sudo-ldap
  Recommends: winetricks
    sudo-ldap
  Suggests: wajig
    sudo-ldap
  Depends: vagrant-lxc
    sudo-ldap
  Depends: v4l2loopback-utils
    sudo-ldap
  Depends: ubuntu-dev-tools
    sudo-ldap
  Depends: tomb
    sudo-ldap
  Recommends: task-desktop
    sudo-ldap
  Replaces: sudo-ldap
    sudo-ldap
  Conflicts: sudo-ldap
  Recommends: sshuttle
    sudo-ldap
  Depends: sidedoor-sudo
    sudo-ldap
  Recommends: reprotest
    sudo-ldap
  Suggests: ranger
    sudo-ldap
  Suggests: qemu-user-static
    sudo-ldap
  Recommends: q4wine
    sudo-ldap
  Depends: piuparts-slave-from-git-deps
    sudo-ldap
  Depends: piuparts-slave
    sudo-ldap
  Suggests: pconsole
    sudo-ldap
  Recommends: pbuilder
    sudo-ldap
  Depends: ospd-openvas
    sudo-ldap
  Recommends: open-infrastructure-system-config
    sudo-ldap
  Recommends: open-infrastructure-container-tools
    sudo-ldap
  Depends: octopussy
    sudo-ldap
  Depends: obs-build
    sudo-ldap
  Suggests: nsntrace
    sudo-ldap
  Suggests: nohang
    sudo-ldap
  Suggests: mountpy
    sudo-ldap
  Recommends: monitoring-plugins-standard
    sudo-ldap
  Depends: mini-buildd
    sudo-ldap
  Depends: luckyluks
    sudo-ldap
  Recommends: live-config
    sudo-ldap
  Enhances: liquidprompt
    sudo-ldap
  Depends: libkf5su5
    sudo-ldap
  Depends: ldap-account-manager-lamdaemon
    sudo-ldap
 |Depends: jenkins-debian-glue
    sudo-ldap
 |Recommends: inxi
    sudo-ldap
  Depends: ibus-keyman
    sudo-ldap
  Depends: casper
    sudo-ldap
  Depends: gnumed-server
    sudo-ldap
  Depends: gkdebconf
    sudo-ldap
  Suggests: git-buildpackage
    sudo-ldap
  Suggests: fvwm-crystal
    sudo-ldap
  Depends: freedombox
    sudo-ldap
  Depends: freedom-maker
    sudo-ldap
  Depends: fpart
    sudo-ldap
  Depends: elida
    sudo-ldap
  Suggests: debspawn
    sudo-ldap
  Depends: debian-installer-launcher
    sudo-ldap
  Depends: debci
    sudo-ldap
  Depends: ctdb
    sudo-ldap
  Suggests: configure-debian
    sudo-ldap
 |Recommends: cockpit-system
    sudo-ldap
  Recommends: cinnamon-core
    sudo-ldap
  Recommends: bundler
    sudo-ldap
  Recommends: buildd
    sudo-ldap
  Suggests: biglybtd
    sudo-ldap
  Recommends: apt-src
    sudo-ldap
  Recommends: apt-dater-host
    sudo-ldap
  Depends: ubuntu-server-minimal
    sudo-ldap
  Depends: ubuntu-minimal
    sudo-ldap
  Depends: ubiquity-casper
    sudo-ldap
  Depends: python3-oslo.rootwrap
    sudo-ldap
  Depends: livecd-rootfs
    sudo-ldap
 |Suggests: live-build
    sudo-ldap
  Suggests: etckeeper
    sudo-ldap
  Recommends: dkms
    sudo-ldap
  Suggests: debian-goodies
    sudo-ldap
  Depends: ceph-osd
    sudo-ldap