At the early stages In procurement and supply cycle, buyers begin segmenting current supplies in the categories, depending on their level of integration into the organization. To help get this done, the buyer may use the Kraljic portfolio matrix. The kraljic portfolio matrix segment suppliers into four categories, which are;
1) Routine 2) Bottleneck 3) Leverage 4)strategic supplier

Influencing is the capacity to be able to change behavior or opinions, either consciously or subconsciously.
As outlined by Yukl and falbets work from 1990 influencing can relate to corruption within pro-curement in these six ways.
1)A party can be assertive (forceful, directive, using deadlines),
2) Ingratiating i.e. using charm and flattery.
3) Exchange-Trading favors,
4) Upward appeal (requesting input for senior management not only that influencing can come as
5) Coalition; team members uniting for support.
5) Rational persuasion, i.e. bringing in logic and facts for clarification.

ILO stands for International Labour Organization- It is a United Nations agency whose mandate is to advance justice and promote decent work by setting international labor standard.
ETI is Ethical Trading Initiative: It is a leading alliance of companies, trade unions and NGOs that promote respect for workers right around the globe. Its vision is a world where all workers are free from exploitation and discrimination and enjoys condition of freedom, security and equity.

Holding excessive inventory can reduce the impact of extended lead time. i.e. by saving the buying organization from downtime, reputation loss, and also it can generate revenue for the organization if there is a sudden increase in demand.

An offer is created when one party communicates to another or to multiple parties that they wish to enter into a legal binding agreement in accordance with the terms stated, for example; a company in promotion advertising for buyers to buy one and get one free, an offer is a buying organization communicating to a supplier to supply X number of goods and be paid x amount upon delivery at company premises, an offer is when a football club proposes to pay X amount to a player if agrees to play for them for a month. An offer can be legally banded if accepted, whereas invitation to treat does not. An invitation to treat is just an invitation from one party to another to begin negotiations with the intention of creating an offer. If an offer is made without stating terms, this becomes an invitation to treat, for example, an invitation to treat is when a pharmacy displays a drug in its shelf. An invitation to treat can be linked to a request a buyer send to suppliers asking them for specific information.