Firstly, it suggests that the physical act of being held by this person provides a deep sense of warmth and comfort, akin to the feeling of being at home.
Secondly, it speaks to the emotional sanctuary that a loving relationship can create. The arms of the person in question represent a place of safety and solace where the speaker feels completely at ease.
In essence, this statement conveys the idea that, in the presence of this special person, the speaker finds a profound sense of homecoming and emotional fulfillment. It reflects the power of love and connection to provide a deep and comforting sense of belonging.