primary activities: inbound logistics (related to receiving, storing and distributing inputs internally), operations (actual transformation of inputs into outputs), outbound logistics (delivering products to the customers, collections, storage and distribution systems, may be internal/external), marketing sales (persuading customers to buy from you), service (maintaining the value of your products to the customers). secondary activities: firm infrastructure (organisational structure, control systems, quality check, accounting, finance), HRM (recruitment selection, training, maintaining working conditions, relationship with employees unions, Technology Development (machineries, softwares, systems, procedures, tech skills, ICT and R&D departments), Procurement (acquisition of necessary g&s from external vendors, procurement of raw materials, negotiating pricing and product purchase contracts)