As for Asher, his bread shall be fat (Gen. 49:20). That is, his daughters shall be beautiful, as it is said: For my daughters make me happy (Gen. 30:13). Blessed be Asher above sons, let him be favored of his brethren (Deut. 33:24) because of his daughters.
And he shall yield royal delights (Gen. 40:20). His daughters shall be worthy of kings. Hence, Scripture states: Who clothed you in scarlet with other delights (II Sam. 1:24).
Naphtali is a hind let loose (Gen. 49:21). This refers to the valley of Gennesareth, which has early crops that ripen speedily, just as the hind (runs swiftly).
He giveth goodly words for his land is blessed, as it is said: O Naphtali, satisfied with favor, and full with the blessing of the Lord (Deut. 33:23). They would serve their fruit to kings while speaking guardedly, so that if they were ill-disposed toward them, they would be reconciled.
Joseph is a fruitful vine (ben porat) (Gen. 49:23). Because of a cow (parah) he was exalted.