Definition of a National Political Party:
A national political party is a political organization that operates at the national level and has a presence in multiple states or regions within a country. It aims to represent a wide range of interests and ideologies, and its main objective is to gain political power and influence policy decisions on a national scale.

Conditions to be a National Party:
To be recognized as a national political party, a party must fulfill certain conditions set by the electoral commission or the laws of the country. The specific conditions may vary from country to country, but generally, the following criteria are considered:

1. Minimum Percentage of Votes:
One common criterion is that the party must secure a certain percentage of votes in a specified number of states or regions during a general election. This ensures that the party has a significant level of support and representation across the country.

2. Representation in the Legislature:
Another condition is that the party should have a minimum number of seats or representatives in the national parliament or legislature. This indicates that the party has a substantial presence in the highest decision-making body of the country.

3. Years of Existence:
Some countries require a party to have been in existence for a certain number of years before it can be recognized as a national party. This requirement ensures that the party has a stable and established presence in the political landscape.

4. Organizational Structure:
A national party must have a well-defined organizational structure with offices, members, and activities in multiple states or regions. This demonstrates the party's ability to mobilize support and operate effectively across the country.

5. Commitment to National Issues:
A national party is expected to address and advocate for national-level issues rather than focusing solely on regional or local concerns. Its policies and agenda should reflect a broader perspective and cater to the interests of the entire nation.

Importance of National Political Parties:
National political parties play a crucial role in democratic systems by providing platforms for diverse voices and representing a wide range of interests. They facilitate political competition, allow for the expression of different ideologies, and contribute to the formation of government policies and decisions.

By being present in multiple states or regions, national parties can mobilize resources, campaign effectively, and reach a larger voter base. They also have a better chance of forming governments or participating in coalition governments at the national level.

National parties often have a well-established network, experienced leaders, and access to resources, which gives them an advantage over regional or local parties. They can influence national policies, participate in national debates, and shape the overall political landscape of the country.

In conclusion, a national political party operates at the national level and has a presence in multiple states or regions. To be recognized as a national party, it must fulfill certain conditions related to electoral performance, representation, organizational structure, and commitment to national issues. Such parties play a crucial role in democratic systems and contribute to the formation of government policies and decisions on a national scale.