You are very welcome
DEFINITIONS1) Imaam al-Junayd said: <<TawHeed is differentiating the Eternal (Allaah) from the created. >>
2) As defined by Imaam Taqiyyud-Deen as-Subkiyy (d. 756 AH), who was a well-known scholar of Fiqh, the fundamentals of the Religion, the interpretation of the Qur’aan, the Arabic language, and other sciences of Religion, “worship” is:

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(ghaayatul khuDoo3i wal khushoo3)
which means the ultimate submission and humbleness (to someone else).
Ar-Raaghib al-ASbahaaniyy, the famous linguist, established the same definition for “worship” in his book, Mufradaatul-Qur’aan.
So, worship is not simply ‘to call upon one’, ‘to fear one’, or ‘to be hopeful of one’.
Rather, calling upon, fearing of, or being hopeful of something entails worship only when linked to and associated with the ultimate submitting and humbling of oneself to that thing.
The one who
worships other than Allaah commits shirk (associating partners with Allaah).