'ויאמר ה' אל אהרן: אתה ובניך וגו, however no non-priest must approach (verse 4) if he does deliberately he will be executed as spelled out in verse 6. The nature of the penalty was sufficient to enforce this rule henceforth

עבודת מתנה; this relieved the ordinary Israelites from the duty to perform service, as the “gift” to do so had not been granted to them. Added to the threat of death if an Israelite would nonetheless venture to perform such service, none of them would dare do so in the future.

לך נתתיה למשחה, they are given to you as symbols of your status just as kings are anointed with oil to publicise their status and their right to rule.

מן האש, after the fat parts of the offerings had been burned up, that which the fire had left over.

אשר ישיבו לי, the guilt offering, אשם, mentioned in te paragraph commencing with Numbers 5,5 property that used to belong to a proselyte who had died without leaving heirs.

כל חלב יצהר, as will be spelled out in verse 30.

ברית מלח, I believe that the Torah uses the term “salt” to symbolise something which endures indefinitely. It occurs in this sense in Chronicles II 13,5 promising David and his descendants an enduring dynasty by mentioning the covenant of salt as the symbol of this. However, in Leviticus 2,13 the words לא תשבית מלח ברית ה' אלוקיך, the reference to salt is meant literally. ברית מלח, a covenant meant to endure permanently, throughout the ages.

כדגן מן הגורן; forbidden , but not on pain of death, under the heading “no non-priest must eat t’rumah in Leviticus 22,15-16.

לא תחללו, by eating such while in a state or ritual impurity.