Basic Character Movement

using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    public float speed = 5f;
    CharacterController controller;

    void Start() => controller = GetComponent<CharacterController>();

    void Update()
    {
        float x = Input.GetAxis("Horizontal");
        float z = Input.GetAxis("Vertical");
        Vector3 move = transform.right * x + transform.forward * z;
        controller.Move(move * speed * Time.deltaTime);
    }
}