הֱבִיאַ֙נִי֙ אֶל־בֵּ֣ית הַיָּ֔יִן וְדִגְל֥וֹ עָלַ֖י אַהֲבָֽה׃
Dinala niya ako sa bahay ng alak, at ang kanyang watawat sa akin ay pag-ibig.
Ibn Ezra
Buy for nothing, And eat without paying. Wine and milk. Each serves both for food and drink, as medical authorities assert.2The function of the drink is to dissolve the food and to accelerate its digestion; most beverages, according to I. E., are believed to contain no elements of nourishment, but in wine and milk both properties are found, they nourish and accelerate the digestion. Wine and milk are mentioned because the Law is compared with them.3Comp. Midrash Yalkut ad locum, and I. E. on Solomon’s Song 2:4.—No other passage of the Bible, however, can be adduced, in which the Law is compared with wine and milk.
Rabbeinu Bahya
It is equally possible (our author speaking) to understand the word אותות as related to the word אות as in אות נפשו, “the desire of his soul,” or as like בכל אות נפשך, “in accordance with all you desire” (Deut. 12,20). This would reflect what we have learned in the Midrash that when the Israelites had observed that the angels who had descended on earth at the time G’d descended on Mount Sinai had all had flags with them and that the Israelites ever since had felt an urgent desire to have flags also (Compare Shir Hashirim Rabbah 2,13 on the words ודגלו אהבה). There are numerous other verses interpreted in similar fashion (compare Song of Songs 2,4; Tanchuma Bamidbar 14).
Siftei Chakhamim
When they carried him. Meaning that accordingly one must say that “banner” is a term of gathering as in “ודגלו עלי (and encamped around me)” (Shir HaShirim 2:4). This teaches that each banner was with its group.