This ad uses two idiomatic expressionswith \"around\". When someone \"has beenaround\"， it means this person has a lot ofexperience， which may be a result of lengthof time in a business: \"Mark has been aroundsince the company was founded.\" To \"stickaround\" is an informal way of saying that a person or thingremains somewhere: \"Oh， stick around for cocktails after thepresentation， won't you?\" \"Hello neighbour\" is a friendlygreeting that is shared between people who live close to eachother and who can depend on each other for assistance. Thegreeting is used here to show that the relationship between thebank and its customers is neighbourly， because the bank hasexisted for a long time， plans to remain in the business in futureand is as dependable as a good neighbour.