Turkey, who declared PKK as a terrorist organization, considers PYD as the continuation of PKK in Syria. In other words, they declared PYD as a terrorist organization as well. This situation, however, is not the case for the USA and other Western countries. Since 1970, in each year the US declares their Foreign Terrorist Organizations list, where PKK became part of it in 1989. As for the PYD, the US government didn’t include it on their list and this means that they don’t consider this as a terrorist organization. On the contrary, they are treating them like freedom fighters, proving them military equipment, health aid, and using them as a means for their own goals in Syria.
The term “security” in the dictionary means, the legal order in public life, the state of safety, the state of the people can live without fear. Today, it is still a controversial notion. States, like individuals, try to ensure their psychological and physical security. The concept of security is perceived as military defense, protection of borders, and prevention of internal disturbance in international relations.