Amplification (noun)

1. The action of making something greater, in particular increasing the power, size, or volume of a signal or sound.
2. The provision of additional information or detail about something, especially in a written or spoken account.

Origin:

Late 16th century: from latin amplificatio(n-), from amplificare "enlarge, amplify".

Examples:

1. The new amplifier provided greater amplification of the guitar's sound.
2. The amplification of the sound system allowed everyone in the audience to hear the performance clearly.
3. The amplification of the microscope allowed scientists to view cells in greater detail.
4. His book provides amplification on the theories discussed in his previous work.
5. The lawyer's amplification of the key points in her argument helped the jury understand the case.