Kaakka is the repeated appeal for protection; kanaka brings the image of gold; Vel names Murugan’s sacred spear. These elements make the line recognisable even to a reader who is beginning to learn its meaning. They also show why it should be read as an invocation. The words are being addressed in prayer, with emphasis and trust, rather than setting out a factual claim about an observable mechanism of protection.
The line occurs within a much larger protective prayer. A complete explanation needs to account for that setting, including the names and images around it. Taking a single appealing line and removing every unfamiliar part would give a smoother modern message, but it would also change the kind of work being read. A welcoming commentary can explain difficult material while letting the original retain its historical and devotional character.
The app’s listening experience should make room for readers at different stages of familiarity. Someone may know the sound of the line from childhood while wanting to understand its words for the first time. Another reader may understand the meaning and be learning the pronunciation. Neither experience is less valuable. Clear labels for original text, pronunciation help and meaning let each person approach the same prayer in a useful way.