Does the remembrance of Allah in the verses and hadiths encompass all righteous deeds, or is it limited to verbal remembrance only, especially in His saying, the Most High: "Unquestionably, by the remembrance of Allah hearts are assured"?

Remembrance (dhikr) occurs through the tongue, the heart, and actions, such as prayer and the remembrance of Allah within oneself. Among good deeds are scholarly gatherings. However, what is commonly understood by dhikr is the praise of Allah articulated by the tongue. The meaning of dhikr in the verse "Unquestionably, by the remembrance of Allah hearts are assured" is the love of Allah, His Messenger, and the believers, as explained by the Prophet (peace be upon him) and the Salaf.