$1.$ Enterprise Resource Planning $($ERP$)$: Concentrates on the efficiency of internal production, distribution, and financial processes $2.$ Customer Relationship Management $($CRM$)$: Focuses on acquiring and retaining profitable customers via marketing, sales, and services $3.$ Partner Relationship Management $($PRM$)$: Aims at acquiring and retaining partners who can enhance the selling and distribution of products and services $4.$ Supply Chain Management $($SCM$)$: Focuses on developing the most efficient and effective sourcing and procurement processes $5.$ Knowledge Management $($KM$)$: Focuses on facilitating internal group collaboration and decision support what are these?