Terminology

No	Word	Definition
1	Signal	A fundamental element of any communication system is an electronic signal which is used to represent and exchange information between source and destination.
2	Analog Signal	Represents information as a continuous signal with its intensity continuously changing over time without any breaks.
3	Digital Signal	Represents information in binary form (0s and 1s) with signal intensity varying discretely between different values.
4	Periodic Signal	A signal that repeats every fixed time period.
5	Aperiodic Signal	A signal with no repeated pattern over time.
6	Peak Amplitude	The maximum strength of the signal over time.
7	Frequency	Represents the rate at which the signal repeats.
8	Phase	Represents the fraction of a signal's period that has elapsed relative to a reference point.
9	Wavelength	The distance between two points of corresponding phase of two consecutive cycles.