The connection between the pen and the pickaxe symbolizes the two basic elements that operate in the development of systems, civilization, and history, “material labor and the effort of thought.” In the union of the social groups that belong to them, victory is guaranteed in the cause of socialist progressivism.

The triangle symbolizes the party’s adoption of moral force, that means the direct action, and the principle of sacrifice as an approach and goal for its struggle.

Under Kamal Jumblatt's leadership, the PSP was a major element in the Lebanese National Movement (LNM), which supported Lebanon's Arab identity and sympathised with the Palestinians.

In March 1989 General Michel Aoun established a blockade of the port which resulted in artillery exchanges between his forces and a combination of PSP, Amal and the Syrian Army in which at least 90 people were killed and several hundred wounded.

[citation needed] Following the passage of United Nations Security Council Resolution 1559 in September 2004, calling for a Syrian withdrawal from Lebanon, Jumblatt was particularly prominent in the opposition.

Later, he has drifted into sharp opposition towards the group, and has decided to support their disarmament, claiming that Syria and Iran are trying to take over Lebanon through Hezbollah.

[16] It won eleven seats in the 2009 Lebanese general election[17] and had three ministers in the 2009 First Cabinet of Saad Hariri (Ghazi Aridi, Akram Chehayeb, and Wael Abou Faour, all Druze).

Under the banner of the Democratic Gathering bloc, had three ministers (Alaaeddine Terro, Sunni, plus Aridi and Faour) in the 2011 Second Cabinet of Najib Mikati.

[citation needed] In 2013, it endorsed the 15 March alliance-led Cabinet of Tammam Salam (it had two ministers in this government, Faour and Akram Chehayeb).

Around 2,000 supporters gathered in Ain Zhalta, a Druze town in the Chouf mountains, where members of the Progressive Socialist Party named political heir, Taymour Jumblatt, as their new leader.