Business$-$level strategy is$\_\_\_\_\_\_\_\_.$

a$.$ the set of strategic alternatives from which an organization chooses as it manages its operations simultaneously across several industries and several markets

b$.$ the methods by which strategies are operationalized or executed within the organization

c$.$ the set of strategic alternatives that helps an organization focus its competitive efforts for each industry or market in a targeted and focused manner

d$.$ the set of decisions an organization makes about how it will distribute its resources

e$.$ the set of processes involved in creating or determining an organization$$s strategies