Check out example codes for "how to set a range for public int or float unity". It will help you in understanding the concepts better.

Code Example 1

using UnityEngine;public class Example : MonoBehaviour
{
    // This integer will be shown as a slider,
    // with the range of 1 to 6 in the Inspector
    [Range(1, 6)]
    public int integerRange;    // This float will be shown as a slider,
    // with the range of 0.2f to 0.8f in the Inspector
    [Range(0.2f, 0.8f)]
    public float floatRange;
}

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