Answer:
Political parties are understood as entities of public interest created to promote the participation of citizens in democratic life and contribute to the integration of national representation; who make them share objectives, interests, visions of reality, principles, values and projects to fully or partially run in democratic governments of countries. These are responsible for presenting candidates to occupy different political positions.
They also help organize and guide legislative work, articulate and add new interests and preferences among citizens. They is essential to help structure political support for certain programs, socio-economic interests and values.
Political parties also interpret and defend the preferences of citizens, form governments, and establish political agreements in the legislative sphere.