Yes, time dilation and time travel are two distinct concepts.
Time dilation refers to the difference in the passage of time between two observers who are in relative motion or experience different gravitational fields. According to the theory of relativity, as an object moves faster or experiences stronger gravitational fields, time for that object appears to pass slower relative to a stationary observer or an observer in a weaker gravitational field. Time dilation has been experimentally confirmed and has practical implications, such as in GPS systems, where precise timing is essential for accurate positioning.
On the other hand, time travel refers to the hypothetical ability to move backward or forward in time, typically beyond the normal flow of time as experienced by humans. While time dilation allows for differences in the passage of time between observers, it does not enable a person to "travel" to a different point in time. Time travel, as envisioned in science fiction or explored in theoretical physics, involves scenarios where an individual can traverse time and potentially interact with events in the past or future.
It's important to note that time travel is purely speculative at present and remains within the realm of theoretical physics. While concepts like wormholes, time machines, or closed timelike curves have been explored in scientific discussions, no practical means of achieving time travel has been discovered or demonstrated to date. The study of time travel remains an active area of scientific inquiry and continues to be the subject of exploration and debate among physicists.