Hello! Please have a look on https://overpass-turbo.eu/s/2slz . What is the mean of the keys
CalTrans
Centerline;TIGER
Public
?

Hello! Please have a look on way/1527578193, way/1528636538. What is the mean of the keys LUAS-HA
NAMOBJ
?

Hallo! Du hast verschiedene Knoten (siehe https://overpass-turbo.eu/s/2sln) eingetragen mit selten Schlüsseln.
Typ = Unterstand (besser description=unterstand, generell wäre das Studium von Wiki-Eintrag von Schlüssel military und Tag mitiltary = bunker sinnvoll)
man_made = adit
ruined = Ja (korrekter ruined=yes)
Ära = Wk1 (besser conflict=WW1)

Willkommen bei OSM! Du hast Dein Tattoo Studio eingetragen und wieder gelöscht (etwas ungeschickt, weil dabei andere Informationen gelöscht wurden). War der Eintrag falsch plaziert oder willst Du Deine Adresse nicht eingetragen haben?

Hello! Please have a look on https://overpass-turbo.eu/s/2sfA. What is the mean of the tag grma_project = yes?

Hello! Please have a look on https://overpass-turbo.eu/s/2sfs . What is the mean of the key NATUR_DESC ?

Hello! Please have a look on https://overpass-turbo.eu/s/2sfq. What is the mean of the key CDD?

Hello! Please have a look on https://overpass-turbo.eu/s/2sfo ? What is the mean of the tags
DPS = Sud-Kivu
attributio = Référentiel Géographique Commun (RGC.cd) (did you mean attribution)
health_lev = 8 (did you mean health_level, see https://taginfo.openstreetmap.org/keys/health_level)
is_in_hl6 = Kamituga (did you mean is_in:health_level6)
ref_CDsnis = 62240323 (did you mean ref:CD:snis)
ref_dhis2 = sRUxRtue777 (did you mean ref:dhis2)
source_dat = 2025 (did you mean source:geometry:date)
source_geo = CIESIN (did you mean source:geometry)
?

Hello! Please have a look on https://overpass-turbo.eu/s/2sfo ? What is the mean of the tags
DPS = Sud-Kivu
attributio = Référentiel Géographique Commun (RGC.cd) (did you mean attribution)
health_lev = 8 (did you mean health_level, see https://taginfo.openstreetmap.org/keys/health_level)
is_in_hl6 = Kamituga (did you mean is_in:health_level6)
ref_CDsnis = 62240323 (did you mean ref:CD:snis)
ref_dhis2 = sRUxRtue777 (did you mean ref:dhis2)
source_dat = 2025 (did you mean source:geometry:date)
source_geo = CIESIN (did you mean source:geometry)
?

Hello! Please see https://overpass-turbo.eu/s/2sfc . What is the mean of the key Num?

Hallo! Bitte schau Dir nochmal den Weg way/1531934819 an. Was ist die Bedeutung von den beiden Tags
ORTSTEIL=Dorfhain
SCHLüSSEL=14628090000
?

Hello! Please have a look on way/1531722404. What is the mean of the tags (no other OSM keys)?
AREA = 5059.244140625
AVG_HEIGHT = 0.0
BLDG_ADDR = 31625 SE HINMAN RD
BLDG_ID = 34E17D-01900-B1
BLDG_NUMB = 1
BLDG_SQFT = 0
BPS_BLDGID = 0
CREATEDATE = 2014-01-30T00:00:00Z
CREATED_BY = DOGAMI
FID = 352557
LAT_CTR = 45.3046076
LENGTH = 324.48897593157
LONG_CTR = -122.33820439
MAX_HEIGHT = 0.0
MIN_HEIGHT = 0.0
NUM_STORY = 0
NUM_UNITS = 0
ORIENT = 0.0
ROOF_ELEV = 0.0
STATE_ID = 34E17D 01900
SUBAREA = METRO
SURF_ADJ = 0.0
SURF_ELEV = 0.0
SURF_OFF = 0.0
Shape__Area = 5059.2421875
Shape__Length = 324.48897594409124
VOLUME = 0
YEAR_BUILT = 0

Hello! Please have a look on way/1531230113. What is the mean of the tags
34 = 70
84 = 639
?

Welcome to OSM (again). The same note as the first time (lowercase tags). But here's an additional comment: How can a location be both a building and a forest at the same time?

Welcome to OSM! Please usse the key building=yes (instead of Building=Yes). Also mark the line no a separate node.

Did you mean operator=BNP (see man_made=surveillance)?

Welcome to OSM! Please have a look on node/13948275519. What is the mean of the tag camera:signed=BNP?

Hello! Please have a look on relation/20995011. What is the mean of the key aa?

I revert the changeset with changeset/183905259

Hello! Please have a look on way/1379175930 (one of five objects). What is the mean of the tag AN_NAME = 11425?