Rubric in the context of "Ordines Romani"

Reality is the state of everything that exists, not how they might be imagined. Different cultures and academic disciplines conceptualize it in various ways.

Philosophical questions about the nature of reality, existence, or being are considered under the rubric of ontology, a major branch of metaphysics in the Western intellectual tradition. Ontological questions also feature in diverse branches of philosophy, including the philosophy of science, religion, mathematics, and logic. These include questions about whether only physical objects are real (e.g., physicalism), whether reality is fundamentally immaterial (e.g., idealism), whether hypothetical unobservable entities posited by scientific theories exist (e.g., scientific realism), whether God exists, whether numbers and other abstract objects exist, and whether possible worlds exist. Skeptics question whether any of those claims are true, and suggest more extreme postulates.

The Decline of the West (German: Der Untergang des Abendlandes; more literally, The Downfall of the Occident or even more literally, "The Going-Under of the Evening Lands") is a two-volume work by Oswald Spengler. The first volume, subtitled Form and Actuality, was published in the summer of 1918. The second volume, subtitled Perspectives of World History, was published in 1922. The definitive edition of both volumes was published in 1923.

Spengler introduced his book as a "Copernican overturning"—a specific metaphor of societal collapse—involving the rejection of the Eurocentric view of history, especially the division of history into the linear "ancient-medieval-modern" rubric. According to Spengler, the meaningful units for history are not epochs but whole cultures which evolve as organisms. In his framework, the terms "culture" and "civilization" were given non-standard definitions, and cultures are described as having lifespans of about a thousand years of flourishing, and a thousand years of decline.

Order of Mass is an outline of a Mass celebration, describing how and in what order liturgical texts and rituals are employed to constitute a Mass.

The expression Order of Mass is particularly tied to the Roman Rite where the sections under that title in the Roman Missal also contain a set of liturgical texts that recur in most or in all Eucharistic liturgies (the so-called invariable texts, or ordinary of the Mass), while the rubrics indicate the rituals, and the insertion points of the variable texts known as the proper of the Mass. Having been virtually unchanged for many centuries, the Roman Catholic Order of Mass changed decisively after the Second Vatican Council.

The Roman Missal (Latin: Missale Romanum) is the title of several missals used in the celebration of the Roman Rite. Along with other liturgical books of the Roman Rite, the Roman Missal contains the texts and rubrics for the celebration of the most common liturgy and Mass of the Catholic Church.

An ordinal (Latin: ordinale), in a modern context, is a liturgical book that contains the rites and prayers for the ordination and consecration to the Holy Orders of deacons, priests, and bishops in multiple Christian denominations, especially the Edwardine Ordinals within Anglicanism, as well as Lutheranism. The term "ordinal" has been applied to the prayers and ceremonies for ordinations in the Catholic Church, where the pontificals of the Latin liturgical rites typically compile them along with other liturgies exclusive to bishops. In medieval liturgies, ordinals supplied instruction on how to use the various books necessary to celebrate a liturgy and added rubrical direction.

A eulogy (from εὐλογία, eulogia, Classical Greek, eu for "well" or "true", logia for "words" or "text", together for "praise") is a speech or writing in praise of a person, especially one who recently died or retired, or as a term of endearment.

Eulogies may be given as part of funeral services. In the United States, they take place in a funeral home during or after a wake; in the United Kingdom, they are said during the service, typically at a crematorium or place of worship, before the wake. In the United States, some denominations either discourage or do not permit eulogies at services to maintain respect for traditions. Eulogies can also praise people who are still alive. This normally takes place on special occasions like birthdays, office parties, retirement celebrations, etc. Eulogies should not be confused with elegies, which are poems written in tribute to the dead; nor with obituaries, which are published biographies recounting the lives of those who have recently died; nor with obsequies, which refer generally to the rituals surrounding funerals. Roman Catholic priests are prohibited by the rubrics of the Mass from presenting a eulogy for the deceased in place of a homily during a funeral Mass.