Islamic concepts

Tawḥīd al-Ulūhīyah — (belief in the) oneness of Allāh in the right to be worshipped

Tawḥīd al-Ulūhīyah is to believe in the absolute oneness of Allāh as our Ilāh (something worshipped). Allāh (swt) is the only thing we direct our worship to.