One of the easiest ways to hide your cables is to clip them behind conveniently ... to your TV or computer), a cable management box is a decorative way to wrangle them without messing around ...
Our favourite way of doing this is with a fabric ... ‘For a less permanent solution, you could hide the wires with decorative elements like a cord cover or even run them along a wall-mounted ...
Two thumbs way ... solution for hiding a cord! It looks like it is just a part of the baseboard. Mine is covering a cable wire only, but I think they are big enough to hide more than one cord ...