Lyrically, "Life (Always Move On)" follows Lavigne’s traditional themes of and emotional resilience . The lyrics emphasize forward momentum during difficult times, featuring lines such as: "And I can always see it workin' out, workin' out" . "Be strong, hold on, be fine, it's alright" .

M4A is often the container for AAC or ALAC (Apple Lossless). If you are an audiophile, look for ALAC (Apple Lossless) inside an M4A container for true CD quality. The standard M4A (256kbps AAC) is still vastly superior to MP3 at the same bitrate.

Furthermore, Apple CarPlay and modern Bluetooth codecs (AAC) play natively with m4a files. When you play an MP3 in a car, your phone converts it to AAC anyway, resulting in double compression. Playing a native m4a file avoids this generational loss.

In the early 2000s, the dominant digital audio format was the . It was the universal language of digital music, playable on almost any device. However, with the rise of Apple’s iTunes ecosystem, a new format began to