Maaseh Rav Siman 41
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
להתפלל בכונה מלה במלה ולכוין פירוש המלות. ואם יבא מחשבה בתפלה יעמוד עד שתלך המחשבה. ואין צריך לכוין בכל השמות רק אדון הכל:
Sefaria Community Translation
One should pray with proper focus and intention for each and every word and have in mind the meaning of the words. If a (foreign) thought enters one's mind during prayer they should stand until the thought passes. One is not required to have the proper intention for all the names (of G-d), only ‘Adon HaKol’: