You go toward something when you move in its direction, so you get closer to it. The dog in the picture is coming towards the person who took a photo of it.
A town is a place that around several hundred to several thousand people live. A town is smaller than a city.
Toxic is another word for poisonous. If something is toxic, it is hazardous to your health or to the environment.
A toy is something that is designed for a child to play with. Most toys are just smaller versions of real things, like toy trains and cars, stuffed animals, dolls and teddy bears.
Toyota Motor Corporation is a car maker based in Japan.
A track is an unsealed path made by animals, people or vehicles.
A tractor is a big vehicle usually driven by farmers. Tractors are used to pull ploughs and harvesters, and for pulling wagons full of hay or other loads. Tractors can be used for pulling other vehicles out of mud if they get stuck.
Tractors are designed to run on mud and dirt not smooth roads, which is why their back wheels are so big and have tyres with such deep tread.