What is a t-junction

Question 1

What is it called when you’re leaving a junction from a side road

Answer 1

emerging

Question 2

what Is it called when you are entering a tjunction from a main road

Answer 2

approaching

Question 3

what does the 2 white lines at a t junction mean

Answer 3

the 2 white lines represent that you must give way to vehicles approaching to enter the t junction