^a λογειον platform or speaking-place like a stage in a theatre

^b δηλωσιν this is an accusative noun for the verb to make evident, its use is so infrequent I decided to leave it untranslated to let the reader work with it for himself... it is the verse of text here in Exdous from which we get the concept of the Urim and Thummim this is one of those words.