How do you understand the one, holy catholic and apostolic nature of the church today?

According to the church’s earliest self understanding the church is “one, holy,catholic [universal] and apostolic, a communion of saints” yet the church today seems to lack oneness. – it is fragmented into multiple denominations, exhibits a holiness less than that identified in the scriptures, focuses more on the particularity of the local church than the universal wholeness of the church and exhibits confusion about what apostolic means.

How do you understand the one, holy catholic and apostolic nature of the church today?

How would you suggest we express the church’s nature to the world today?