# Classification of patterns

 All patterns can be categorized by their *intent* or purpose.

* **Creational** Design Pattern

* **Structural** Design Pattern

* **Behavioral** Design Pattern

{% content-ref url="/pages/V0BcVT6h9u8Gswu87MaS" %}
[Strategy Design Pattern](/notebook/design-patterns/behavioral-design-patterns/strategy-design-pattern.md)
{% endcontent-ref %}

{% content-ref url="/pages/er17JykcYt22Yt6LLzqp" %}
[Observer Design Pattern](/notebook/design-patterns/behavioral-design-patterns/observer-design-pattern.md)
{% endcontent-ref %}


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