how to move character in unity 3d code example

Example 1: unity move character

using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    [SerializeField] private float speed = 5.0f;

    private void Update()
    {
        var horizontal = Input.GetAxis("Horizontal");
        var vertical = Input.GetAxis("Vertical");
        transform.Translate(new Vector3(horizontal, 0, vertical) * (speed * Time.deltaTime));
    }
}

Example 2: how to make character move unity

float horizontal = Input.GetAxis("Horizontal");
 float vertical = Input.GetAxis("Vertical");
 float speed = 5.0f;
 
 void Update(){
     transform.position = new Vector3(horizontal, 0, vertical) * speed * Time.deltaTime;
 }