What is what does b&m stand for?

B&M stands for "Bargain and More" or "Block and Mortar." B&M is a discount retail chain that offers a wide range of products including food, household goods, health and beauty products, toys, and more. The company was founded in 1978 and has over 600 stores across the United Kingdom. B&M is known for its low prices and frequent special offers, which make it a popular destination for bargain hunters.