Explain the communication of proposal acceptance and revocation (Sec. 3 to 8)?

Q. The communication of proposal acceptance and revocation (Sec. 3
to 8)
A proposal its acceptance and their revocation (withdrawal) in order to be complete must
be communicated.
Sec 3 : The communication of proposal the acceptance of proposal, the revocation of
proposal respectively are deemed to be made by any Act or omission of the party
proposing accepting or revoking by which he intends to communicate such proposal
acceptance or revocation or which has the effect of communicating it. Thus proposal
acceptance and revocation may be communicated by words or by conduct. Acceptance
means communicated.
Sec 4: Rules as to how: