"Best Part" by Daniel Caesar featuring H.E.R. is a tender and heartfelt love song that expresses a deep admiration and adoration for a significant other. The lyrics portray the artist's feelings of immense love and appreciation for their partner, comparing their presence to essential elements in their life.

The song starts by acknowledging that the partner may not be aware of just how special they are. The artist describes the moments when they embrace and share slow kisses as the most cherished and unchanging moments for them. They express the desire for their partner to understand and experience the same feelings if they were in the artist's position.

The chorus emphasizes the partner's beauty and compares them to a shining star. It conveys the artist's willingness to follow them wherever they go, no matter how far. The artist believes that if their life were a movie, the partner's presence would be the highlight, the "best scene."

In the second verse, the artist further expresses their feelings toward their partner. The partner is likened to water found in a desert, representing their importance and life-sustaining nature to the artist. The partner is also compared to medicine that relieves headaches, symbolizing their ability to bring comfort and happiness into the artist's life.

Again, the artist expresses the desire to simply gaze at the partner's beauty. They reiterate that the partner is like a star in their life and reaffirm their willingness to accompany them wherever they go.

The bridge of the song repeats the phrase "I love you" multiple times, urging the partner to reciprocate with words of love and affection.

Overall, "Best Part" is a song that focuses on the profound love and admiration one has for their significant other. It highlights the importance of their presence, their beauty, and the immeasurable happiness they bring to each other's lives.