You will obviously get better answers from textbooks, but here is an simple explanation:

Map Projection: It is a method for representing a spherical or curved surface on a flat plane.

Datum: It is the reference or origin based on which measurements are made.

Source: Copy/Paste from Wikipedia:

• Map projection
• Geodetic datum

You will obviously get better answers from textbooks, but here is an simple explanation:

Map Projection: It is a method for representing a spherical or curved surface on a flat plane.

Datum: It is the reference or origin based on which measurements are made.

You will obviously get better answers from textbooks, but here is an simple explanation:

Map Projection: It is a method for representing a spherical or curved surface on a flat plane.

Datum: It is the reference or origin based on which measurements are made.

You will obviously get better answers from textbooks, but here is an simple explanation:

Map Projection: It is a method for representing a spherical or curved surface on a flat plane.

Datum: It is the reference or origin based on which measurements are made.

Source: Copy/Paste from Wikipedia:

• Map projection
• Geodetic datum