Symbols are used for electronic components primarily because they make it easier to draw circuit diagrams. Here's a detailed explanation:

1. Easier representation:
- Electronic components are physical devices that are used in electrical circuits to perform specific functions. They come in various shapes and sizes.
- Drawing these components accurately in a circuit diagram can be time-consuming and make the diagram cluttered.
- Symbols provide a simplified representation of these components, making it easier to draw and understand the circuit diagrams.
- For example, instead of representing a resistor as a physical object with its specific dimensions, a symbol can be used to represent it as a simple zigzag line.

2. Standardization:
- Symbols for electronic components have been standardized over time to ensure consistency and clarity in circuit diagrams.
- These standardized symbols are universally recognized and understood by engineers, technicians, and students who work with electronic circuits.
- Standardization helps in communication, as people from different backgrounds and regions can easily understand and interpret the symbols used in circuit diagrams.

3. Clarity and simplicity:
- Circuit diagrams aim to represent complex electrical circuits in a concise and clear manner.
- Using symbols allows for the removal of unnecessary details and focuses on the essential components and connections.
- Symbols are designed to convey the specific characteristics and functions of the components without overwhelming the diagram with unnecessary information.
- This clarity and simplicity make it easier to analyze and troubleshoot circuits.

4. Space-saving:
- Circuit diagrams often need to fit into limited space, such as in textbooks, manuals, or on computer screens.
- Symbols help to conserve space by representing complex components with simple and compact shapes.
- Instead of drawing the physical representation of a component, symbols allow for a more compact representation, allowing for a clearer and more readable diagram.

In conclusion, symbols are used for electronic components because they make it easier to draw circuit diagrams, provide standardization, enhance clarity and simplicity, and save space. These symbols simplify complex components, making circuit diagrams more accessible and understandable for engineers, technicians, and students.