Question

Solve this, ...if u r brilliant.. its a 6 letter word 1. first 3 letter indicate biggest thing in world. 2. 2, 3, 4 letter indicate parts of human body. 3. 3, 4, 5 letter indicate part of circle.. 4. the whole word is the key of internet now. 101% brain work only one chance.... ⚪ lets see who will find the answer.....

Answer 1

Search is the answer right ? Arc part of circle. Sea isn't the biggest thing though and search is what we do on the internet and the primary motive of using it.