Upadeśa (Sanskrit: उपदेश), "teaching," "instruction",spokensanskrit.de, Upadeza is the spiritual guidance provided by a guru or spiritual teacher.
Etymology The term upadeśa has various, related meanings: "information," "clarification," "specification" "preaching," "prescription" "instruction," "guidance," "pointing out to" "initiation," "communication of the initiatory mantra or formula"
Spiritual guidance In Indian religions, both Hinduism and Buddhism, upadeśa is the spiritual instruction and example provided by the guru:
The term can also be used for the Buddhist Abhidhamma and other religious commentaries.Encyclopedia britannica, Upadeśa
See also Upadesasahasri - A thousand teachings, a text by Adi Shankara Ramana Maharshi
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