I really want understand the theme.

Sail or travel over water/terrain, especially carefully or with difficulty. Often using instruments or maps.

But you can also navigate your way through a social situation or difficult time, check out the synonyms for navigate: https://www.google.com/search?q=navigate+synonyms&rlz=1C1GEWG_enCA973CA973&oq=navigate+synonyms&aqs=chrome.0.69i59j0i15i22i30l4j0i22i30l5.2775j1j7&sourceid=chrome&ie=UTF-8