Party dresses have evolved to be a diverse field nowadays as compared to past when the definition of a party dress used to be just a simple gown. We have many choices and different party dresses are worn on different occasions. Many dresses fall in the formal category whereas several party dresses are considered to be semi formal and can be worn on company meetings or at family dinner, wherever you feel like.
Gowns are very popular amongst ladies of ever age which are worn on occasions like orchestra, opera or a banquet. This is a completely formal party dress and it is of full length. Similarly a coronation gown, wedding dress, prom dress, ballroom dress and ballet dress, all fall in the formal category of party dresses.
On the other hand, evening gown, tea gown, cocktail dress, dinner dress and a simple fork, all fall in the category of semi formal party dresses. These dresses usually have floral prints and are available in light colours which are simply stitched without any glitters and other accessories as compared to formal party dresses.
It is important that you wear party dresses according to the event. Do not get dressed up too formally for a casual tea party at a friends house whereas if you have a wedding to attend at church then make sure that you are dressed up properly and if any dress code is given, follow that.
There are different styles of party dresses as well which do not specify the events on which it can be worn rather these are different styles. Maxi, sun dress, shift, jumper dress, tent, surplice and shirtwaist are various styles which range from tight fitted dresses to lose ones. Each one is different from another.
Summing up, there are various styles as well as various types of party dresses which can be worn on different occasions depending whether it is a formal event or a semi formal gathering. One can wear their semi formal dresses to office meetings or parent teacher school meetings as well as they are simple dresses.