New York City Ballet (NYCB) is an esteemed institution that offers a diverse array of performances and subscription packages for ballet enthusiasts. The institution has a rich and varied program, running performances throughout the year that reflect the diversity of the art form.

The 2023-2024 season includes not only ballet classics but also contemporary choreography. Staples like George Balanchine's 'The Nutcracker' and 'A Midsummer Night's Dream' feature alongside performances such as 'All Stravinsky' and 'Contemporary Choreography'. The season also includes a tribute to Robbins, and performances choreographed by the likes of Wheeldon, Martins, and Peck. There is also 'Innovators and Icons', a showcase of innovative works by Balanchine and Wheeldon.

NYCB offers different subscription packages for the 2023-24 season, catering to various audiences. These packages come with subscriber benefits, although specifics are not detailed on the site. There is also a $30 for 30 program catered to younger audiences and a special sensory-friendly performance in the spring 2024 line-up.

In addition to offering performances, NYCB also welcomes support through memberships, donations, and a patron program. Members have the option to either join or renew their membership, adding a steady support stream to the institution.

Practical matters such as ticket purchasing and policies are clearly outlined on their platform, and they offer various payment options including for group bookings. The site also has a feature for online ticket donations.

Despite the comprehensive features and offerings, it should be noted that their site recommends using a modern browser for the best experience and security level. This requirement might pose a challenge to some potential users.

In conclusion, the New York City Ballet curates a blend of classic and contemporary ballet performances that caters to various audiences. Through its user-friendly site, purchasing tickets and supporting the institution are made relatively straightforward. Its seasonal offerings, alongside its membership and patron programs, affirm its status as a key player in the performing arts sector.