Vahan60,
 
const inset = [
            ["apricot", "apple", "avocado", ],
            ["butterfly", "bug", "bear"],
            ["crow", "cat", "cup"]
        ];
        let activeCell = 0;
        let cell = document.querySelectorAll(".cell");
        let fond = document.querySelectorAll(".fond");
        let fond0 = document.querySelectorAll(".fond0");
        let room = document.querySelectorAll(".room");
        let pic = document.getElementById("pic");
        for (let i = 0; i < cell.length; i++) {
            cell[i].addEventListener("click", function() {
                activeCell = i;
                show();
            })
        };
        function show() {
            for (let j = 0; j < fond.length; j++) {
                fond[j].src = `pic/${inset[activeCell][j]}.webp`
            };
        }
        for (let j = 0; j < room.length; j++) {
            room[j].addEventListener("click", function() {
                fond0.src = `pic/${inset[activeCell][j]}.webp`;
            });
        };